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BD3509MUV Datasheet(PDF) 5 Page - Rohm |
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BD3509MUV Datasheet(HTML) 5 Page - Rohm |
5 / 21 page 5/20 www.rohm.com 2009.05 - Rev.A ○ c 2009 ROHM Co., Ltd. All rights reserved. BD3508MUV, BD3509MUV Technical Note ● Reference Data BD3508MUV Fig.1 Transient Response (0→3A) Co=150μF×2, CFB=0.01uF Fig.2 Transient Response (0→3A) Co=150μF Fig.4 Transient Response (3→0A) Co=150μF×2 Fig.5 Transient Response (3→0A) Co=150μF Fig.6 Transient Response (3→0A) Co=47μF Fig.9 Input sequence Fig.10 Input sequence Fig.11 Input sequence Fig.12 Input sequence 45mV 3.0A Vo 50mV/div Io 2A/div 64mV 3.0A Vo 50mV/div Io 2A/div Vo 50mV/div Io 2A/div 55mV 3.0A Io=0A→3A/3μsec t(5μsec/div) Io=0A→3A/3μsec t(5μsec/div) Fig.3 Transient Response (0→3A) Co=47μF, CFB=0.01uF 91mV 3A Vo 100mV/div Io 2A/div Io=0A→3A/3μsec t(5μsec/div) Io=3A→0A/3μsec t(5μsec/div) Vo 50mV/div Io 2A/div 79mV 3.0A Io=3A→0A/3μsec t(5μsec/div) Vo 100mV/div Io 2A/div 87mV 3A Io=3A→0A/3μsec t(5μsec/div) VCC Ven VIN Vo VCC Ven VIN Vo VCC Ven VIN Vo VCC Ven VIN Vo VCC→VIN→Ven VIN→VCC→Ven Ven→VCC→VIN VCC→Ven→VIN Fig.7: Waveform at output start Fig.8 Waveform at output OFF Ven 2V/div VNRCS 2V/div Vo 1V/div Ven 2V/div t(200μsec/div) t(2msec/div) VNRCS 2V/div Vo 1V/div |
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